Two large holes are cut in a metal sheet. If | vedclass

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(A) When a metal sheet with holes is heated,the material expands as if the entire sheet were solid. This is because the atoms in the material move fur

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both will increase

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(A) When a metal sheet with holes is heated,the material expands as if the entire sheet were solid. This is because the atoms in the material move further apart from each other due to increased thermal energy. Consequently,any distance between two points on the sheet,whether it is across the solid material or across a hole,will increase in proportion to the linear expansion coefficient of the material. Therefore,both the distance $AB$ (which spans across the hole) and the distance $BC$ (which spans across the solid metal) will increase upon heating.

Two large holes are cut in a metal sheet. If this sheet is heated,what will happen to the distances $AB$ and $BC$ as shown in the figure?

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